HomeMy WebLinkAboutWS0701169_Application_20220413Groundwater Management Associates, Inc.
4300 Sapphire Court, Suite 100
Greenville, North Carolina 27834
Telephone: (252) 758-3310
www.gma-nc.com
The Groundwater Experts
April 13, 2022
Mr. Joey White
Assistant Regional Engineer
Washington Regional Office
Public Water Supply Section
Division of Water Resources
Department of Environmental Quality
943 Washington St
Washington, NC 27889
Apex and Greenville, NC
Re: Water Supply Well Construction Permit Application, Currituck County - Mainland Water
Department, Currituck County, Maple, North Carolina
Dear Mr. White,
Please find enclosed an application for a permit to construct one water -supply well (PW1D) for
the Currituck County - Mainland Water Department, Currituck County, Maple, North Carolina.
Groundwater Management Associates, Inc. (GMA) is working with the County to provide
professional consulting services associated with the drilling, construction, and testing of one
water supply well adjacent to the Mainland Water Treatment Plant, Maple Road, Maple,
Currituck County, NC. If successful, the new water -supply well will become a new source of
raw water for the reverse osmosis WTP. New water supply well RO4 will be constructed in the
Yorktown Aquifer.
The enclosed permit application includes the GW-22W form, 2021 Currituck County - Mainland
Water Department Local Water Supply Plan, a diagram of the proposed well construction, maps
detailing location, site features, and parcel information, and a copy of the January 25, 2022,
Well Site Approval letter issued by the NCDEQ Public Water Supply Section.
The water supply well will be constructed of SDR17 PVC casing, and stainless -steel screens, and
built according to the North Carolina Well Construction Standards (NCAC 02C). Casings will be
properly grouted to prevent interconnection of the aquifers. A Certified Well Contractor will be
contracted to perform the drilling operations. Our plan is to have the drilling contractor begin
Mr. White
Page 2
drilling operations by June 15t, 2022, pending receipt of the well construction permit. Your help
with meeting our proposed timetable would be appreciated.
We trust that the information provided herein is complete and will meet your requirements for
issuing a well construction permit for production well R04. If you have any questions, please
contact me at the address and phone number on our letterhead.
Best regards,
Groundwater Management Associates, Inc.
Kelley A. Smith, P.G.
Project Hydrogeologist
Enclosures:
Well Construction Permit Application (GW-22W)
BBWC Local Water Supply Plan (2021)
Proposed Well Construction Diagram
Location and Parcel Map
Currituck County Parcel Data
Well Site Approval Letter
CC: Eric Weatherly, PE — Currituck County Engineer
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY - DIVISION OF WATER RESOURCES
APPLICATION FOR PERMIT TO CONSTRUCT A WATER SUPPLY WELL OR WELL SYSTEM
(Wells or Well Systems with a Design Capacity of 100,000 Gallons Per Day or Greater)
PLEASE TYPE OR PRINT CLEARLY
In accordance with the provisions of Article 7, Chapter 87, General Statutes of North Carolina and regulations pursuant thereto,
application is hereby made for a permit to construct water supply wells.
1. Date: April 13, 2022
2. County: Currituck County
FOR OFFICE USE ONLY
PERMIT NO. ISSUED DATE:
3. Applicant: Eric Weatherly — Currituck Co. Mainland -Engineer
Applicant's Mailing Address: 446 Maple Road, Maple, NC 27956
Applicant's Email Address (if available): Eric.Weatherly@CurrituckCountyNC.gov
4. Contact Person (if different than Applicant): Kelley A. Smith, PG (GMA)
Telephone: (252) 232-6035
Telephone: (252) 758-3310
Contact Person's Mailing Address: 4300 Sapphire Ct., Suite 100, Greenville, NC 27858
Contac Person's Email Address (if available): kelley@gma-nc.com
5. Property Owner (if different than Applicant): Currituck Co. Mainland (Applicant)
Owner's Mailing Address: 446 Maple Road, Maple, NC 27956
Owner's Email Address (if available): Eric.Weatherly@CurrituckCountyNC.gov
6. Property Physical Address (including PIN Number): Maple Road, Maple, NC 27956 (PIN: 0052000013J0000)
City: Maple, NC 28956 County: Currituck Zip Code: 27956
7. Intended use of Well or Well System: Public Water Supply Well
(examples: irrigation, consumption, etc.)
Telephone: (252) 232-6035
8. Will the proposed water supply well or well system replace or be added to an existing well or well system? Yes
(If yes, complete questions 7 and 8) (If no, complete question 7 and then skip to question 9)
9. Total design capacity of proposed well or well system in gallons per day (gpd): 720,000 GPD
10. If adding a well to an existing system, list the existing water supply wells in the existing system and their respective yields:
See attached Currituck Co. Mainland Local Water Supply Plan (2021)
11. Is this a public well or well system? Yes If yes, give Public Water ID Number: 04-27-010
If yes, give Project Engineer and contact information: John Wise, PE, Groundwater Management Associates (919) 363-6310
12. Well Contractor: TBD
Well Contractor Address: TBD
Certification No.: TBD
PROPOSED WELL CONSTRUCTION INFORMATION
1. As required by 15A NCAC 02C .0105(f)(7), attach a well
construction diagram of each well showing the following:
a. Borehole and well diameter
b. Estimated well depth
c. Screen intervals
d. Sand/gravel pack intervals
e. Type of casing material and thickness
f. Grout horizons
g. Well Head completion details
2. No. of wells to be constructed in unconsolidated
material:
3. No. of wells to be constructed in bedrock:
4. Total No. of wells to be constructed:
(add answers from 2 and 3)
5. Estimated beginning construction date:
6. Estimated construction completion date:
Continued on Reverse
ADDITIONAL INFORMATION
As required by 15A NCAC 02C .0105(f)(5), attach a scaled map of the site showing the locations of the following:
a. All property boundaries, at least one of which is referenced to a minimum of two landmarks such as identified roads,
intersections, streams, or lakes within 500 feet of the proposed well or well system.
b. All existing wells, identified by type of use, within 500 feet of the proposed well or well system.
c. The proposed well or well system.
d. Any test borings within 500 feet of proposed well or well system.
e. All sources of known or potential groundwater contamination (such as septic tank systems, pesticide, chemical or fuel
storage areas, animal feedlots as defined in G.S. 143-215.106(5), landfills, or other waste disposal areas) within 500 feet
of the proposed well or well system.
2. As required by 15A NCAC 02C .0105(g)(3), for wells screened in multiple zones or aquifers, provide representative data on the
static water level, pH, specific conductance, and concentrations of sodium, potassium, calcium, magnesium, sulfate, chloride,
and carbonates from each aquifer or zone from which water is proposed to be withdrawn.
3. Attach any water use permits {if required). [e.g. Central Coastal Plain Capacity Use Area Permit is required in 15 eastern NC
counties by NC Division of Water Resources, visit: http://www.ncwater.org]
SIGNATURES
The Applicant hereby agrees that the proposed well(s) will be constructed in accordance with approved specifications and conditions of
thter Supply Well Construction Permit as regulated under the Well Construction Standards (Title 15A of the North Carolina
Administrative Code, Subchapter 2C) and accepts full responsibility for compliance with these rules
County Manager
Signature of Applicant or *Aget Title of Applicant or *Agent
Donald 1. McRee, Jr.
Printed name of Applicant or *Agent
* If signing as Agent, attach authorization agreement stating
that you have the authority to act as the Agent.
If the property is owned by someone other than the applicant, the property owner hereby consents to allow the applicant to construct
water supply wells as outlined in this Water Supply Well Construction Permit application and that it shall be the responsibility of the
applicant to ensure that the water supply well(s) conform to the Well Construction Standards (Title 15A of the North Carolina
Administrative Code, Subchapter 2C).
Signature of Property Owner (if different than Applicant) Printed name of Property Owner (if different than Applicant)
DIRECTIONS
Please send the completed application to the appropriate Division of Water Resources' Regional Office:
Asheville Regional Office
2090 U.S. Highway 70
Swannanoa, NC 28778
Phone: (828) 296-4500
Fax: (828) 299-7043
Fayetteville Regional Office
225 Green Street, Suite 714
Fayetteville, NC 28301-5094
Phone: (910) 433-3300
Fax: (910) 486-0707
Mooresville Regional Office
610 East Center Avenue
Mooresville, NC 28115
Phone: (704) 663-1699
Fax: (704) 663-6040
Raleigh Regional Office
3800 Barrett Drive
Raleigh, NC 27609
Phone: (919) 791-4200
Fax: (919) 571-4718
Washington Regional Office
943 Washington Square Mall
Washington, NC 27889
Phone: (252) 946-6481
Fax: (252) 975-3716
Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, NC 28405
Phone: (910) 796-7215
Fax: (910) 350-2004
Winston-Salem Regional Office
450 W. Hanes Mill Road
Suite 300
Winston-Salem, NC 27105
Phone: (336) 776-9800
Fax: (336) 776-9897
GW-22W Rev. 3-1-2016
4/12/22, 2:16 PM DWR :: Local Water Supply Planning
Currituck Co - Mainland
2021 v
The Division of Water Resources (DWR) provides the data contained within this Local Water Supply Plan (LWSP) as a courtesy and service to our
customers. DWR staff does not field verify data. Neither DWR, nor any other party involved in the preparation of this LWSP attests that the data is
completely free of errors and omissions. Furthermore, data users are cautioned that LWSPs labeled PROVISIONAL have yet to be reviewed by DWR
staff. Subsequent review may result in significant revision. Questions regarding the accuracy or limitations of usage of this data should be directed to the
water system and/or DWR.
1. System Information
Contact Information
Water System Name:
Mailing Address:
Contact Person:
Phone:
Secondary Contact:
Mailing Address:
Distribution System
Currituck Co - Mainland
446 Maple Road
Maple, NC 27956
Chase Brinkley
252-232-6060
Anthony Carrollo
446 Maple Rd.
Maple, NC 27956
Line Type
Polyvinyl Chloride
PWSID: 04-27-010
Ownership: County
Title:
Cell/Mobile:
Phone:
Cell/Mobile:
Water Superintendent
252-232-6061
Size Range (Inches)
2-16
Provisional
Estimated % of lines
100.00 %
What are the estimated total miles of distribution system lines? 359 Miles
How many feet of distribution lines were replaced during 2021? 150 Feet
How many feet of new water mains were added during 2021? 30,000 Feet
How many meters were replaced in 2021? 2,000
How old are the oldest meters in this system? 13 Year(s)
How many meters for outdoor water use, such as irrigation, are not billed for sewer services? 6
What is this system's finished water storage capacity? 3.2000 Million Gallons
Has water pressure been inadequate in any part of the system since last update? Line breaks that were repaired quickly should not be included.
Programs
Does this system have a program to work or flush hydrants? Yes, Annually
Does this system have a valve exercise program? Yes, Semi -Annually
Does this system have a cross -connection program?
Does this system have a program to replace meters?
Yes
Yes
Does this system have a plumbing retrofit program? No
Does this system have an active water conservation public education program?
Does this system have a leak detection program? No
Water Conservation
Yes
What type of rate structure is used? Increasing Block
How much reclaimed water does this system use? 0.0000 MGD For how many connections? 0
Does this system have an interconnection with another system capable of providing water in an emergency?
Yes
No
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 1/6
4/12/22, 2:16 PM
2. Water Use Information
DWR :: Local Water Supply Planning
Jervice Area
Sub-Basin(s)
Albemarle Sound (12-1)
% of Service Population County(s) % of Service Population
100 % Currituck 100 %
What was the year-round population served in 2021? 17,430
Has this system acquired another system since last report? No
Water Use by Type
Type of Use Metered Metered Non -Metered Non -Metered
Connections Average Use (MGD) Connections Estimated Use (MGD)
Residential 6,887 0.6421 0 0.0000
Commercial 456 0.1851 0 0.0000
Industrial 0 0.0000 0 0.0000
Institutional 15 0.0200 0 0.0000
How much water was used for system processes (backwash, line cleaning, flushing, etc.)? 0.2990 MGD
Water Sales
Average
Purchaser PWSID Daily Sold
(MGD)
South Camden
Water
Days
Used
Contract
MGD Expiration Recurring
Required to
comply with water
use restrictions?
Pipe Size(s) Use
(Inches) Type
04-15-015 0.0000 Yes 12 Emergency
3. Water Supply Sources
Monthly Withdrawals & Purchases
Average Daily Max Day Average Daily Max Day Average Daily Max Day
Use (MGD) Use (MGD) Use (MGD) Use (MGD) Use (MGD) Use (MGD)
Jan 1.0142 1.1206 May 1.3226 1.8481 Sep 1.2656 1.6722
Feb 0.9805 1.2835 Jun 1.2562 1.5049 Oct 1.1271 1.4071
Mar 1.0097 1.1102 Jul 1.3639 1.6882 Nov 1.0488 1.3009
Apr 1.1495 1.5116 Aug 1.2369 1.4957 Dec 1.0078 1.1349
I�r
Ground Water Sources
Average Daily Withdrawal
Name or (MGD)
Number
MGD Days Used
1 0.0350 365
10 0.0000 0
11 0.0000 0
12 0.0350 365
13 0.0360 365
14 0.0000 0
15 0.0000 0
17 0.2800 0
18 0.0360 365
19 0.0350 365
2 0.0000 0
20 0.0340 365
21 0.0000 0
22 0.0000 0
Max Day Withdrawal
(MGD)
12-Hour CUA Year
Supply
(MGD) Reduction Offline Use Type
0.0180 Regular
0.0150 2015 Emergency
0.0330 Regular
0.0400 Regular
0.0430 Regular
0.0720 Regular
0.0580 Regular
0.0240 Regular
0.0240 Regular
0.0200 Regular
0.0240 Regular
0.0180 Regular
0.0330 Regular
0.0270 Regular
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 2/6
4/12/22, 2:16 PM DWR :: Local Water Supply Planning
23 0.0000 0 0.0200 Regular
24 0.0000 0 0.0110 Regular
25 0.0000 0 0.0170 Regular
26 0.0000 0 0.0410 Regular
27 0.0360 365 0.0450 Regular
28 0.0350 365 0.0300 Regular
3 0.0000 0 0.0720 Regular
4 0.0300 365 0.0170 Regular
5 0.0320 365 0.0230 Regular
6 0.0000 0 0.0720 Regular
7 0.0000 0 0.0160 Regular
8 0.0000 0 0.0720 Regular
9 0.0000 0 0.1300 Regular
RO1 0.4650 240 0.6800 Regular
RO2 0.4650 240 0.6640 Regular
RO3 0.4650 240 0.7200 Regular
Ground Water Sources (continued)
Casing Depth Screen Depth (Feet)
Name or Number Well Depth (Feet) Well Diameter (Inches) Pump Intake Depth (Feet) Metered?
(Feet) Top Bottom
1 76 48 48 58 6 45 Yes
10 75 50 50 60 6 35 Yes
11 75 50 50 60 6 47 Yes
12 80 63 63 73 6 53 Yes
13 75 47 47 62 6 50 Yes
14 185 142 142 173 6 91 Yes
15 75 51 51 66 6 45 Yes
17 70 50 50 60 6 45 Yes
18 70 50 50 60 6 45 Yes
19 56 52 40 50 6 37 Yes
2 75 49 49 59 6 45 Yes
20 44 40 30 40 6 27 Yes
21 77 39 50 65 8 48 Yes
22 77 39 50 65 8 48 Yes
23 77 38 45 60 8 44 Yes
24 82 38 44 59 8 43 Yes
25 82 40 47 62 8 46 Yes
26 163 70 133 153 8 132 Yes
27 75 42 47 62 8 49 Yes
28 77 42 49 64 8 49 Yes
3 185 142 142 172 6 91 Yes
4 75 48 48 58 6 50 Yes
5 75 49 49 64 6 45 Yes
6 185 142 142 172 6 91 Yes
7 75 43 43 53 6 43 Yes
8 180 128 135 165 6 91 Yes
9 185 142 142 173 6 91 Yes
RO1 260 145 145 35 12 90 Yes
RO2 260 145 145 35 12 90 Yes
RO3 260 145 145 35 12 90 Yes
Are ground water levels monitored? Yes, Monthly
Does this system have a wellhead protection program? Yes
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 3/6
4/12/22, 2:16 PM DWR :: Local Water Supply Planning
Water Purchases From Other Systems
Seller PWSID
South Camden 04-15-
Water 015
Water Treatment Plants
Plant Name
Currituck Co. WTP
Average
Daily Days
Purchased Used
(MGD)
Contract
MGD Expiration Recurring
0.0000 0 0.2000
Permitted Capacity
(MGD)
2.8600
Is Raw Water Metered?
Yes
Required to
comply with Pipe
water Size(s)
use (Inches)
restrictions?
Use
Type
No Yes 12 Emergency
Is Finished Water Ouput Metered? Source
Did average daily water production exceed 80% of approved plant capacity for five consecutive days during 2021? No
If yes, was any water conservation implemented? No
Did average daily water production exceed 90% of approved plant capacity for five consecutive days during 2021? No
If yes, was any water conservation implemented? No
Are peak day demands expected to exceed the water treatment plant capacity in the next 10 years? No
4. Wastewater Information
Monthly Discharges
Jan
Feb
Mar
Apr
Average Daily
Discharge (MGD)
0.3101 May
0.2775 Jun
0.3071 Jul
0.3300 Aug
Yes Wells
Average Daily Average Daily
Discharge (MGD) Discharge (MGD)
0.3862 Sep 0.3795
0.3603 Oct 0.3585
0.4008 Nov 0.3195
0.3772 Dec 0.3262
Currituck Co - Mainland's 2021 Monthly Discharges
1
1,3
0
2 p
40 Nlif
Avg Daily
How many sewer connections does this system have? 722
How many water service connections with septic systems does this system have? 6,636
Are there plans to build or expand wastewater treatment facilities in the next 10 years? No
Wastewater Permits
Permit
Number
NC0088650
5. Planning
Permitted Design Average Annual Maximum Day
Capacity Capacity Daily Discharge Discharge
(MGD) (MGD) (MGD) (MGD)
1.6700 3.0000 0.0113
Receiving
Stream
North River
Receiving Basin
Albemarle Sound (12-
1)
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 4/6
4/12/22, 2:16 PM DWR :: Local Water Supply Planning
Projections
2021 2030 2040 2050 2060 2070
Year -Round Population 17,430 17,787 18,026 18,352 18,465 18,489
Seasonal Population 0 0 0 0 0 0
Residential 0.6421 0.6800 0.7200 0.7600 0.8000 0.8400
Commercial 0.1851 0.2310 0.2540 0.2800 0.3080 0.3200
Industrial 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Institutional 0.0200 0.0392 0.0512 0.0632 0.0752 0.0872
System Process 0.2990 0.2990 0.3050 0.3140 0.3190 0.3240
Unaccounted-for 0.1151 0.1858 0.1943 0.2032 0.2122 0.2196
Future Supply Sources
Source Name PWSID Source Type Additional Supply Year Online Year Offline Type
one deep well 04-27-010 Ground 0.4650 2023 Regular
Demand v/s Percent of Supply
2021 2030 2040 2050 2060 2070
Surface Water Supply 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Ground Water Supply 3.0640 3.0640 3.0640 3.0640 3.0640 3.0640
Purchases 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Future Supplies 0.4650 0.4650 0.4650 0.4650 0.4650
Total Available Supply (MGD) 3.0640 3.5290 3.5290 3.5290 3.5290 3.5290
Service Area Demand 1.2613 1.4350 1.5245 1.6204 1.7144 1.7908
Sales 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
Future Sales 0.0000 0.0000 0.0000 0.0000 0.0000
Total Demand (MGD) 1.2613 1.4350 1.5245 1.6204 1.7144 1.7908
Demand as Percent of Supply 41% 41% 43% 46% 49% 51
lir
The purpose of the above chart is to show a general indication of how the long-term per capita water demand changes over time. The per capita water demand
may actually be different than indicated due to seasonal populations and the accuracy of data submitted. Water systems that have calculated long-term per
capita water demand based on a methodology that produces different results may submit their information in the notes field.
Your long-term water demand is 37 gallons per capita per day. What demand management practices do you plan to implement to reduce the per capita water
demand (i.e. conduct regular water audits, implement a plumbing retrofit program, employ practices such as rainwater harvesting or reclaimed water)? If these
practices are covered elsewhere in your plan, indicate where the practices are discussed here. no changes
Are there other demand management practices you will implement to reduce your future supply needs? water shortage response plan is in place.
What supplies other than the ones listed in future supplies are being considered to meet your future supply needs? have space for two more ro trains that will
produce 750,000 gpd.
How does the water system intend to implement the demand management and supply planning components above? consulting firm will advise how to manage
our system..
Additional Information
Has this system participated in regional water supply or water use planning? No
What major water supply reports or studies were used for planning?
Please describe any other needs or issues regarding your water supply sources, any water system deficiencies or needed improvements (storage, treatment,
etc.) or your ability to meet present and future water needs. Include both quantity and quality considerations, as well as financial, technical, managerial,
permitting, and compliance issues:
The Division of Water Resources (DWR) provides the data contained within this Local Water Supply Plan (LWSP) as a courtesy and service to our
customers. DWR staff does not field verify data. Neither DWR, nor any other party involved in the preparation of this LWSP attests that the data is
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 5/6
4/12/22, 2:16 PM DWR :: Local Water Supply Planning
completely free of errors and omissions. Furthermore, data users are cautioned that LWSPs labeled PROVISIONAL have yet to be reviewed by DWR
staff. Subsequent review may result in significant revision. Questions regarding the accuracy or limitations of usage of this data should be directed to the
water system and/or DWR.
https://www.ncwater.org/WUDC/app/LWSP/report.php?pwsid=04-27-010&year=2021 6/6
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PROTECTION OF THE WELL VERTICAL 1"=30'
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GROUNDWATER MANAGEMENT ASSOCIATES, INC.
File: J:\DWGS\165302
CURRITUCK COUNTY MAINLAND WELL R04
Date: 3/29/22
Project No. 165302
MAPLE, CURRITUCK, NC
Figure: 3
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0052Cc0013J0000
City
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59.49 AC TRACT BOUNDARY
SURVEY FOR CURRITUCK
COUNTY
Township CRAWFORD
0 Owner Name 1 CURRITUCK COUNTY
0 Owner Name 2
0 Owner Name 3
Billing Address P O BOX 9
Billing Address
Continued
Billing City CURRITUCK
0 Billing State NC
0 Billing ZIP Code 27929
0 Acreage (Legal) 59.49
0 Acreage (GIS) 59.49
Tax Value: Land 109900
mi Tax Value:
Buildings
I. Tax Value: Total 109900
•
Tax Value:
Deferred
• Last Sale Date 2011-11-14
Last Sale Price
IN
_ Qualified Sale? NO
Deed Book 1178
V Deed Page 262
Plat Cabinet to
' Plat Slide 46
0
0
L_ Data Date 2022-04-11
Owner Name 4
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Owner Name 6
Owner Name 7
Owner Name 8
Owner Name 9
Owner Name 10
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t. Description
0052000013J0000
59.49 AC TRACT BOUNDARY
SURVEY FOR CURRITUCK
COUNTY
Township CRAWFORD
0 Owner Name 1 CURRITUCK COUNTY
Owner Name 2
Owner Name 3
Billing Address P O BOX 9
Billing Address
Continued
O Billing City CURRITUCK
Billing State NC
Billing ZIP Code 27929
Acreage (Legal) 59.49
Acreage (GIS) 59.49
0 Tax Value: Land 109900
a Tax Value:
® Buildings
Tax Value: Total 109900
0
Tax Value:
s, Deferred
Last Sale Date 2011-11-14
Last Sale Price
Qualified Sale? NO
Deed Book 1178
Deed Page 262
0
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Plat Cabinet M1A
Plat Slide 46
Data Date 2022-04-11
Owner Name 4
Owner Name 5
Owner Name 6
Owner Name 7
Owner Name 8
Owner Name 9
Owner Name 10
Site Information
GMA
GROUNDWATER MANAGEMENT ASSOCIATES, INC.
Groundwater Management Associates, Inc.
2205-A Candun Drive
Apex, NC 27523
Telephone 919-363-6310
www.gma-nc.com
The Groundwater Experts
December 14, 2021
Mr. Joey White
Assistant Regional Engineer
Washington Regional Office
Public Water Supply Section
Division of Water Resources
Department of Environmental Quality
943 Washington St
Washington, NC 27889
Apex and Greenville, NC
RE: Statement of Due Diligence for Proposed Currituck County Public Water -Supply Well located
adjacent to the Mainland Water Treatment Plant, Maple Road, Maple, Currituck County, NC
Dear Mr. White:
Groundwater Management Associates, Inc. (GMA) has been contracted by Currituck County (the
County) to assist in their efforts to construct one additional public water -supply well (Mainland Well
#4). GMA will oversee the design, construction, and testing of one Yorktown Aquifer water -supply
well located adjacent to the Mainland Water Treatment Plant, Maple Road, Maple, Currituck County,
NC. If successful, the new water -supply well will become a new source of raw water for the WTP.
The proposed Currituck County water -supply well, currently identified as "WELL #4", can be found
in the attached figures. We request well site approval of the well location.
Introduction
The proposed water -supply well (WELL #4) will be located south of the WTP on the adjacent
property (see attached map). The property is owned by Currituck County. The proposed well will
be located in the northern portion of the property with wooded, vacant land located to the west and
south, the WTP to the north, and Maple Road and the Currituck County Regional Airport to the east.
The proposed water -supply well location is as follows:
"WELL #4": 36.395228°,-76.021892°
A FEMA National Flood Hazard map, a map depicting surveyed wetlands by Land Management
Group, and site maps of the proposed well are attached.
Mr. Joey White
December 14, 2021
Page 2
Potential Sources of Pollution
GMA met with the County representatives, performed a site reconnaissance visit on December 9,
2021, accessed available public records, and obtained an Environmental Data Records (EDR) search
for the site to identify potential sources of contamination that could adversely impact the placement
of a well. The environmental data records search was conducted by Environmental Data Research
Inc. (EDR) and completed on November 30, 2021. No mapped sites of concern were found
and the site was not listed in any of the databases searched by EDR. A copy of EDR report
is attached.
GMA has completed our due diligence and believe that the well site meets the setback and
environmental compliance requirements as follows per the 15A NCAC 02C .0107 STANDARDS OF
CONSTRUCTION: WATER SUPPLY WELLS:
• The proposed water -supply well is not located in any area where surface water or runoff will
accumulate around the well due to depressions, drainage ways, and other landscapes that
will concentrate water around the well. See the attached figure from FEMA's Flood Hazard
Viewer.
• No single-family dwelling with septic tank and drainfield, including the drainfield repair area
is located within 50 feet
• No single-family dwelling with septic tank and drainfield, including the drainfield repair area
in saprolite system as described in 15A NCAC 18A .1956 is located within 100 feet
• No other subsurface ground absorption waste disposal systems are located within 100 feet.
• No industrial or municipal residuals disposal or wastewater -irrigation sites are located within
100 feet.
• No industrial or municipal sewage or liquid -waste collection or sewer main, constructed to
water main standards in the American Water Works Association (AWWA) Standards C600
and/or C900, is located within 50 feet.
• No water -tight sewer lateral line from a residence or other non-public system to a sewer
• main or other wastewater disposal system is located within 25 feet
• No other sewage and liquid -waste collection or transfer facility are located within 100 feet.
• No cesspools and privies are located within 100 feet.
• No animal feedlots, as defined by G.S. 143-215.106(5), or manure piles are located within
100 feet.
• No fertilizer, pesticide, herbicide or other chemical storage areas are located within 100 feet.
• No non -hazardous waste storage, treatment or disposal lagoons are located within 100 feet.
• No sanitary landfills, municipal solid waste landfill facilities, incinerators, construction and
demolition (C&D) landfills and other disposal sites except Land Clearing and Inert Debris
landfills are located within 500 feet.
• No Land Clearing and Inert Debris (LCID) landfills are located within 100 feet.
• No animal barns are located within 100 feet.
Kelley A. Smitj, PG
Project Hydro eolo ist• �
9 9
Groundwater Management Asso
Report Certification
Mr. Joey White
December 14, 2021
Page 3
• No building perimeters, including any attached structures that need a building permit such
as garages, patios, or decks, regardless of foundation construction type are located within
25 feet.
• No surface water bodies which act as sources of groundwater recharge, such as ponds, lakes
and reservoirs 50 feet.
• All other surface water bodies, such as brooks, creeks, streams, rivers, sounds, bays and
tidal estuaries are located greater than 25 feet.
• No chemical or petroleum fuel underground storage tank systems regulated under 15A NCAC
02N with or without secondary containment are located within 50 feet.
• No above ground or underground storage tanks which contain petroleum fuels used for
heating equipment, boilers or furnaces, with the exception of tanks used solely for storage of
propane, natural gas, or liquefied petroleum gas are located within 50 feet.
• No other petroleum or chemical storage tank systems are located within 100 feet.
• No gravesites are located within 50 feet.
• No coal ash landfills or impoundments are located within 200 feet.
• No other potential sources of groundwater contamination are located within 50 feet.
• The closest identified site with environmental concerns (Brew Thru UST) is located more
than 1,000 feet north of the proposed well locations.
Based upon available data, GMA concludes that the proposed public water -supply WELL #4 location
meets the minimum setback requirements for public water -supply wells.
Please let me know if you have any questions.
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Regards;
I, Kelley A. Smith, a Licensed Geologist for Groundwater Management Associates, Inc. (GMA), do
certify that the information contained in this report is correct and accurate to the best of my
knowledge. GMA is a professional corporation licensed to practice geology (Greenville and Apex, NC
#C-121) and engineering (Apex, NC #C-0854) in the state of North Carolina.
Enclosures: Site Maps
FEMA Map
Wetlands Map
EDR Report
MAPS
-LEGEND-
• SITE LOCATION
0
SCALE IN FEET
8200'
GMA
GROUNDWATER MANAGEMENT ASSOCIATES. INC-
File: Z;/DRAWINGS/165302
SITE MAP
DATE: 12/13/2021
PROJECT NO: 165302
MAINLAND WTP, MAPLE, CURRITUCK CO. , NC
FIGURE 1
;-
i-
..
-
MAINLAND
WTP
PROPOSED WELL #4 BORROW PIT
36.395256°,-76.021892° POND
158::—SHORTCUT RD
\Y
ti
N ',
li f
TM MPlAo l ACERTIFIED SURVEY AND CWNOT BEEN nR
REVIE E-DCi71 ; LOCAL GOVERNMENTAGEN Y FOR COMPLIANCE 4-
Ur ' t APPLICABLE LAND DEVELOPMENT RE-GULATIONS. .:
UM PRDIDUCT g§, ?op REFERENCE AND ILLUSTRATION PURPOSES '`" 'i
otC��'l' Cot rng3AG WRATE AS THE SOURCE DATA FROM ''' ; �'
MUM [ITM3 COMPILE -IL ^-°
` --
'i5 ' 4 . '
• C K
CURRITUCK
AIRPORT
Ifik
n.
LEGEND
• APPROX.
,pi
PROPOSED WATER -SUPPLY
APPROX. WETLAND DELINIATION
PROJECT BOUNDARY
WETLAND
WELL LOCATION
/PARCEL BOUNDARY
SCALE IN FEET
0 500
1000'
GAA
=:-_-.
GROUNDWATER MANAGEMENT ASSOCIATES, INC.
FILE: Z:/DRAWINGS/165302
PROPOSED WATER-SUPPY WELL (WELL #4)
DATE: 12/13/2021
PROJECT NO: 165301
MAINLAND WTP, MAPLE, CURRITUCK CO. , NC
FIGURE 2
National Flood Hazard Layer FIRMette
FEMA
Legend
76°1'39"W 36°23'56"N
0 250 500
Feet
1,000 1,500 2,000
Basemap: USES National Map: Orthoimagery: Data refreshed October, 2020
76°1'1"W 36°23'27"N
1:6,000
SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAP FOR FIRM PANEL LAYOUT
SPECIAL FLOOD
Without Base Flood Elevation (BFE)
Zane A. V, A99
With BFE or Depth zone A AO, AN. VV. AR
HAZARD AREAS Regulatory Roadway
OTHER AREAS OF
FLOOD HAZARD
OTHER AREAS
GENERAL
STRUCTURES
OTHER
FEATURES
MAP PANELS
q
0.2%Annual Chance Flood Hazard, Areas
of 1% annual chance flood with average
depth fess than one foot or with drainage
areas of less than one square mile zone x
%.11c Future Conditions 1% Annual
Chance Flood Hazard Zanex
Area with Reduced Flood Risk due to
Levee. See Notes. zone a
Area with Flood Risk due to Leveeo
NO SCREEN Area of Minimal Flood Hazard
Effective LOMRs
Area of Undetermined Flood Hazard
ti
— — - Channel, Culvert. or Storm Sewer
r r r 1 r 1 I Levee. Dike, or Floodwall
Cross Sections with 1%Annual Chance
77.6 Water Surface Elevation
a— — — Coastal Transect
Base Flood Elevation Line (BFE)
Limit of Study
Jurisdiction Boundary
Coastal Transect Baseline
Profile Baseline
Hydrographic Feature
Digital Data Available Ni
No Digital Data Available
Unmapped
The pin dispiayed on the map is an approximate
point selected by the user and does not represent
an authoritative property ['nation.
This map complies with FEMA's standards for the use of
digital flood maps if It Is not void as described below.
The basernap shown complies with FEMA's basemap
accuracy standards
The flood hazard information Is derived directly from the
authoritative NFHL web services provided by FEMA. This map
was exported on 12/13/2021 at 2:32 PM and does not
reflect changes or amendments subsequent to this date and
time. The NFHL and effective information may change or
become superseded by new data overtime.
This map image Is void if the one or more of the following map
elements do not appean basemap imagery, flood zone labels,
legend, scale bar, map creation date. community identifiers.
FIRM panel number. and FIRM effective date. Map images for
unmapped and unmodernized areas cannot be used for
regulatory purposes.
NOTE: This is not a survey. All boundaries and distances are considered
approximate. This represents a preliminary sketch prepared from field
notes. A survey of delineated areas and review and approval by the U.S.
Army Corps of Engineers is recommended prior to specific site planning.
Legend
Project Area: —7.7 ac
Well Site and Pipeline
Uplands: — 5.5 ac
404 Wetlands: —0.1 ac
Non -Jurisdictional Borrow Pit (not flagged): — 4.1 ac
Non -Jurisdictional Ditches (No OHWM): —669 If
L:\WETLANDS\2021 WETLANDS FILES\LMG21.559 ---
Currituck Mainland Well #4, GMA\Maps
Boundaries are approximate and not meant to be absolute.
Map Source: 2016 GIS World Imagery Layer
N
0 100 200 400
Feet
Currituck County Mainland Well #4
Currituck County, NC
December 2021
LMG21.559
ZLMG
LAND i41ANA(EMEN'r GROUP
a DAUEYt. company
3805 Wrightsville Avenue
Wilmington, NC 28403
(910) 452-0001
Section 401/404
Delineation -
Preliminary Sketch
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
S. DANIEL SMITH
Director
Mr. Eric Weatherly
Currituck County Water Systems
153 Courthouse Road, Suite 302
Currituck, NC 27929
NORTH CAROLINA
Environmental Quality
January 25, 2022
Re: Preliminary Well Site Approval
Currituck County Water System, NC0427010
Dear Mr. Weatherly,
On January 20, 2022, I met with Mr. Will Rumsey and conducted a preliminary investigation of the
proposed well site listed below. The proposed well has been assigned a Water System Facility (WSF)
Identification Number and Sampling Point Code as indicated below.
WSF ID
No.
Sampling
Point Code
Description of Well Site
Preliminary Latitude and Longitude
RO4
R32
RO Well No. 4
36°23'42.933" /-76°O1'18.811"
This letter is provided by Public Water Supply (PWS) Section, in accordance with rule .0305(b) of the
Rules Governing Public Water Systems (15A NCAC 18 C), to provide permission to drill a well at the listed
sites in order to establish water quality and quantity and suitability of the wells as a source for a public
water system.
In addition, this "preliminary well site approval" is to acknowledge that according to the information and
documentation provided, we understand that the proposed wells are located on a lot so that the area
within 100 feet of the well will be owned or controlled by the person supplying the water and that the
supplier of water will protect the well lot from potential sources of pollution and construct landscape
features for drainage and diversion of pollution as required in rule .0203(1). In addition, per the
information provided by Mr. Kelley Smith, PG of Groundwater Management Associates dated December
14, 2021, it has been determined that the proposed well location satisfies the minimum horizontal
separation distances specified in rule .0203 (2) and summarized in the following table:
D_ECAROUNA
°w.ma,i or Ernmrasl a.u� /`.
North Carolina Department of Environmental Quality I Division of Water Resources
Washington Regional Office 1943 Washington Square Mall I Washington, North Carolina 27889
252.946.6481
Distance (in feet)
Potential Source of Pollution
100
•
•
•
•
•
From any sanitary sewage disposal system, sewer, or sewer pipe (unless
sewer is constructed of water main materials and joints, in which the
sewer pipe shall be at least 50 feet from the well.
From buildings, mobile homes, permanent structures, animal houses or
lots, cultivated areas to which chemicals are applied.
From surface water.
From a chemical or petroleum fuel underground storage tank with
secondary containment.
From any other potential source of pollution not listed in this table.
200
•
From a subsurface sanitary sewage treatment and disposal system
designed for 3,000 or more gallons of wastewater a day, unless your
well water source is a confined aquifer.
300
•
From any cemetery or burial ground.
500
•
•
•
•
From a septage disposal site.
From a chemical or petroleum fuel underground storage tank without
secondary containment.
From the boundary of a ground water contamination area.
From a sanitary landfill or non -permitted non -hazardous solid waste
disposal site.
1,000
•
From a hazardous waste disposal site or in any location which conflicts
with the North Carolina Hazardous Waste Management Rules cited in
NCAC 13A.
We also understand that the owner will ensure that the lot is graded or sloped so that surface water is
diverted away from the wellhead and that the well shall not have greater than a 1 percent chance of
flooding in accordance with 15A NCAC 18C .0203(a)(4).
PWS Section "Authorization to Construct" and "Final Approval"
Subsequent to well drilling and evaluating water quality and quantity (e.g., collecting and analyzing
samples and performing a 24-hour well drawdown test) the owner must submit an "Application for
Approval of Engineering Plans and Specifications For Water Supply Systems" to document proposed well
completion (e.g., selected pump, wellhead and well house details) and associated transmission lines,
treatment and/or storage facilities and other critical information about the public water system. In
accordance with rule .0305(a) no construction shall be undertaken until the PWS Section issues an
"Authorization to Construct" letter. In addition, in accordance with .0309(a) the new well and all
associated treatment, storage or transmission/distributions lines shall not be placed into service until
the PWS Section has issued a "Final Approval," These steps are described in the Engineering Planning
and Development Guidance Document available at
https://files.nc.gov/ncdeq/Water%20Resources/files/pws/planreview/EPD Guidance JuIy2019.pdf
"� at
o.eaCt011I or Enwoivne,maaHN/`d
North Carolina Department of Environmental Quality 1 Division of Water Resources
Washington Regional Office 1943 Washington Square Mall I Washington, North Carolina 27889
252,946.6481
Be aware that plans, specifications and reports for the new wells must be certified by a Professional
Engineer. Therefore, it is recommended that a Professional Engineer or Licensed Geologist (or their
designated representative) experienced in the construction of water supply wells, conduct on -site
monitoring of well construction. At a minimum, certain critical phases of well construction such as
installation and grouting of casing should be monitored. In many situations it may be necessary to go
beyond the minimum requirements in order to protect the public health and ground water resources.
Other Agency Approvals Required
This PWS Section "preliminary well site approval" letter does not address other agency applicable rules
and requirements pertaining to well construction and registration.
Local county well construction rules and ordinances may include additional requirements.
Well construction must meet the standards specified in the Well Construction Standards (15A NCAC 2C).
Be aware that these rules require a permit to be obtained from the Water Quality Regional Operations
Section of the Division of Water Resources before the well is constructed if it is anticipated that the new
well will be part of a water system with a design capacity of 100,000 gallons per day or greater. In
addition, these rules require that wells be constructed by a properly certified well driller. For more
information contact the Water Quality Regional Operations Section at 919-807-6338 or
http://portal.ncdenr.org/web/wq/aps
Sincerely,
Joey White
Environmental Specialist
Washington Regional Office
Cc: Mr. Will Rumsey, Currituck Co. Utilities Director
Mr. Kelley Smith, PG, GMA, Inc.
Mr. Joe Hobbs, Currituck Co. Environmental Health
Central File
WaRO File
°apartment of Environmental Quad
DE
r';x•r^ArrcynNA
North Carolina Department of Environmental Quality I Division of Water Resources
Washington Regional Office 1943 Washington Square Mall I Washington, North Carolina 27889
252.946.6481